Add Dockerfile to create an AppImage for Debian (#156)

.ci/linux/create-packages.sh

@@ -19,6 +19,10 @@ if [[ $TAG == nightly ]]; then
     TAG=${TRAVIS_BUILD_NUMBER}.nightly
 fi
 
+if [ -z "$TAG" ]; then
+    TAG=`git rev-parse --abbrev-ref HEAD`
+fi
+
 # Installing dependencies on travis.
 if [ ! -z "$TRAVIS_OS_NAME" ]; then
     sudo apt-add-repository -y ppa:brightbox/ruby-ng

Dockerfile.debian

+FROM debian:unstable
+
+RUN apt-get update -y -qq
+
+RUN apt-get install -y gcc g++ cmake clang liblmdb-dev
+
+RUN apt-get install -y mesa-common-dev wget fuse git
+
+RUN apt-get -y install ruby ruby-dev rubygems rpm && \
+    gem install --no-ri --no-rdoc fpm
+
+RUN apt-get update -qq && \
+    apt-get install -y \
+        qt5-default \
+        qtbase5-dev \
+        qttools5-dev-tools \
+        qttools5-dev \
+        qtmultimedia5-dev
+
+RUN mkdir /build
+
+WORKDIR /build

Makefile

@@ -24,6 +24,9 @@ lint:
 image:
 	docker build -t nheko-app-image .
 
+debian-image:
+	docker build -f Dockerfile.debian -t nheko-debian-appimage .
+
 linux-deploy:
 	./.ci/linux/deploy.sh
 	./.ci/linux/create-packages.sh
@@ -40,5 +43,9 @@ docker-app-image: image
 		--privileged \
 		-v `pwd`:/build nheko-app-image make linux-deploy
 
+docker-debian-appimage: debian-image
+	docker run -v `pwd`:/build nheko-debian-appimage make release
+	docker run --privileged -v `pwd`:/build nheko-debian-appimage make linux-deploy
+
 clean:
 	rm -rf build

README.md

@@ -68,6 +68,9 @@ If you don't want to install any external dependencies, you can generate an AppI
 make docker-app-image
 ```
 
+If you're on Debian you should use `make docker-debian-appimage` instead, which uses
+Debian as the build host in an attempt to work around this [issue](https://github.com/AppImage/AppImageKit/wiki/Desktop-Linux-Platform-Issues#openssl).
+
 ##### Arch Linux
 
 ```bash